| 基于PT4115的大功率LED恒流驱动的设计 |
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| 引用本文： | 陈雷,赵艳军,王艳玲.基于PT4115的大功率LED恒流驱动的设计[J].灯与照明,2008,32(4). |
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| 作者姓名： | 陈雷 赵艳军 王艳玲 |
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| 作者单位： | 1. 华北电力大学电气工程学院,河北保定,071003
2. 河北大学,河北保定,071000 |
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| 摘 要： | LED作为一种新兴光源,具有高节能、长寿命、利环保等其他光源无法比拟的性能.因此,对LED的研究具有划时代的意义.本文对LED常用驱动技术进行了比较研究,得出大功率LED采用恒流驱动的合理性.并对采用PT4115的大功率LED恒流驱动的设计原理进行了详细的介绍.该恒流驱动具有驱动原理简单、成本低、恒流效果好等优点.并且,该恒流源相对于其也恒流源具有输入电压范围宽泛、效率高的优点.对大功率LED在太阳能行业上的应用具有很好的工程实用价值.
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| 关 键 词： | 恒流驱动 |
The high-power LED constant current driven design Based on PT4115 |
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| Chen Lei,Zhao Yanjun,Wang Yanling.The high-power LED constant current driven design Based on PT4115[J].Light & Lighting,2008,32(4). |
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| Authors: | Chen Lei Zhao Yanjun Wang Yanling |
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| Affiliation: | Chen Lei1,Zhao Yanjun1,Wang Yanling2 (1.North china electric power university,Baoding,071003,2.Hebei university,071000) |
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| Abstract: | As a new light source,LED has high-energy,long-life,environmental benefits,and other sources can not compare the performance.Therefore,the LED research has an epoch-making significance.In this paper,commonly LED drive techniques were done a comparative study,obtaining that the high-power LED constant current drive is reasonable.And,details in Introduction for the design of the high-power LED constant current drive which use the PT4115.The constant current drive is a simqle principle-driven,and has low-cost,... |
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| Keywords: | LED PT4115 |
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